Home / 68,907.12-95,084.40-38,695.72

Finding the Fourth Proportional to 68,907.12, 95,084.40 and 38,695.72

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Solution

The fourth proportional to 68,907.12, 95,084.40 and 38,695.72 is: 53,395.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,907.12 : 95,084.40 = 38,695.72 : x
  2. Step 2: Convert to fraction form
    68,907.12/95,084.40 = 38,695.72/x
  3. Step 3: Cross multiply
    68,907.12x = 95,084.40 × 38,695.72
  4. Step 4: Simplify right side
    68,907.12x = 3,679,359,318.77
  5. Step 5: Solve for x
    x = 3,679,359,318.77/68,907.12
  6. Step 6: Final answer
    x = 53,395.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.